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WordPress version 5.3.4 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) Vulnerability

Details

This does require an admin to upload the theme, and is low severity self-XSS. This has been patched in version 5.4.2, along with all the previously affected versions via a minor release (5.3.4, 5.2.7, 5.1.6, 5.0.10, 4.9.15, 4.8.14, 4.7.18, 4.6.19, 4.5.22, 4.4.23, 4.3.24, 4.2.28, 4.1.31, 4.0.31, 3.9.32, 3.8.34, 3.7.34).

Vulnerable Systems:

WordPress version 5.3.4

WordPress version 5.2.7

WordPress version 5.1.6

WordPress version 5.0.10

WordPress version 4.9.15

WordPress version 4.8.14

WordPress version 4.7.18

WordPress version 4.6.19

WordPress version 4.5.22

WordPress version 4.4.23

WordPress version 4.3.24

WordPress version 4.2.28

WordPress version 4.1.31

WordPress version 4.0.31

WordPress version 3.9.32

WordPress version 3.8.34

WordPress version 3.7.34

CVE Information:

CVE-2020-4049

Disclosure Timeline:
Published Date:6/12/2020

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